Juglone
Also known as: 5-Hydroxy-1,4-naphthalenedione, 5-Hydroxy-1,4-naphthoquinone, 5-Hydroxy-p-naphthoquinone, 5-Hydroxynaphthoquinone, 5-Hydroxy-1,4-naphthochinone, 5-Hydroxy-1,4-dihydronaphthalene-1,4-dione, 5-Hydroxy-4-naphthalenedione, 5-Hydroxynaphthalene-1,4-dione, Nucin, Regianin, C.I. Natural Brown 7, CI 75500
Juglone (CAS 481-39-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H6O3 and a molecular weight of 174.153 g/mol. Key properties include a melting point of 161-163 °C(lit.), a boiling point of 385.8±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.3±24.4 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier, from 19.22 to 42.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 481-39-0
- Jingsj CID
- J-3723-5
- Molecular Formula
- C10H6O3
- Molecular Weight
- 174.153 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >97.0%(GC) 500g | ¥9,612.00 | $2.88 /gBest ¥19.22/g CNY | CN China MOQ 500g | |
In Stock | >97.0%(GC) 100g | ¥2,690.00 | $4.03 /g ¥26.90/g CNY | CN China MOQ 100g | |
In Stock | >97.0%(GC) 25g | ¥870.00 | $5.21 /g ¥34.80/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 161-163 °C(lit.) |
|---|---|
| Boiling Point | 385.8±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 201.3±24.4 °C |
| Exact Mass | 174.031693 |
| PSA | 54.37000 |
| LogP | 1.86 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.662 |
| Additional Property | SOLUBLE IN HOT WATER |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H400 — Very toxic to aquatic life
Activity & Biological Data
| Additional Information | [1]. J. Johnson Inbaraj, et al. Cytotoxic Action of Juglone and Plumbagin: A Mechanistic Study Using HaCaT Keratinocytes.Chem. Res. Toxicol. 2004, 17, 1, 55-62 |
|---|
Customs & Trade Information
| HS Code | 2914690090 |
|---|---|
| Summary | 2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Juglone?
The CAS number of Juglone is 481-39-0.
What are the molecular formula and molecular weight of Juglone?
Juglone has molecular formula C10H6O3 and molecular weight 174.153 g/mol.
Which suppliers offer Juglone?
1 supplier(s) listed; reference unit price ¥19.22–42.00 /g.
Is Juglone hazardous?
Juglone has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Juglone (CAS 481-39-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3723-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.